The sleek, black-finished FF-4 15mm Follow Focus Set (Black Edition) from ARRI includes a single-sided follow focus, one standard knob, a gear for prime lenses and smaller zooms, four marking disks, and a speed crank. This robust, economical unit includes an adapter enabling it to snap onto 15mm lightweight support rods. A hard-sided carrying case is included to transport and protect all the components in the set.

FF-4 Basic Follow Focus Unit (Black Edition)

The sleek, black-finished ARRI FF-4 Basic Follow Focus Unit consists of a single-sided follow focus with one standard knob. This robust, economical unit slides onto a pair of lightweight 15mm rods (rods not included). The FF-4 is designed with a 1:2 knob-to-gear ratio for smooth, accurate focus pulls on a variety of lenses.
A required focus gear is not included with this unit.

The FF-4 features a modular design that is compatible with most ARRI follow focus accessories such as whips, speed cranks, and knob accessories (available separately). One flat marking disk is included with the FF-4 Basic Unit.

Note: A BA-2/3 adapter is required for use with a studio bridge plate

Features

Slide-on design for 15mm lightweight support rods; requires BA-2 or BA-3 adapter for use with studio bridge plates

Single-style left (operator) side unit includes one standard knob

A 1:2 gear ratio suits a variety of lenses

Compatible with most ARRI follow focus accessories such as whips, speed cranks, and other style knobs

BA-3 FF-4 Adapter for Bridge Plate (15mm Studio Rods)

The ARRI BA-3 FF-4 Follow Focus Adapter is used with an ARRI FF-4 or FF-3 base component. Use this adapter to snap the FF-4/FF-3 onto a pair of bridge plate-supported 15mm studio rods (not included). The adapter fastens onto a pair of rods using a single thumbscrew. Mounting and detaching the BA-3 Adapter from the FF-4/FF-3 can be done in the field by the user and does not require shop service.

Works with both the HD and Cine versions of the FF-4 follow focus, and the FF-3

This ARRI Follow Focus Gear can be used with all ARRI follow focus systems. The 35-tooth, 0.8 mod gear is designed for use with prime lenses and smaller zoom lenses that have 32 pitch gear rings. Its medium-width gear face measures 10mm.

The ARRI Speed Crank fits into the socket of any ARRI follow focus knob. Designed for quick or extended focus pulls, this L-shaped handle enables a camera assistant to rotate the lens focus barrel further than possible when grasping the focus knob itself. The crank's round knob and right-angle configuration enable rotating the focus knob 360° or more, for those shots requiring extreme shifts in focus.

Attaches to the socket on any ARRI follow focus knob

Enables speedy or extended focus pulls with 360° or more of focus knob rotation

L-shaped handle with knob head for comfortable handling

Flat Marking Disk for WCU-3 & Standard/2-Speed FF Knob

This ARRI Flat Marking Disk is compatible with standard and two-speed follow focus knobs, and the WCU-3 hand unit knob. Use a non-permanent marker to apply temporary focus marks to its surface. This round plastic unit may be used as a replacement or additional marking disk.